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OSHA 10-Hour Construction Review practice questions

229 free questions with answers and explanations.

Practice test
  1. 101.A worker is operating a backhoe near an excavation. To prevent 'struck-by' incidents from the swinging bucket, what is the minimum distance that other employees are generally required to maintain from the operating range of the equipment?Focus Four Hazards
  2. 102.A construction crew is working near overhead power lines that are energized and rated at 35 kV. According to OSHA, what is the minimum safe clearance distance that must be maintained between the equipment and the power lines?Focus Four Hazards
  3. 103.A worker is operating a backhoe on a construction site. To prevent 'struck-by' incidents from the machine's swinging superstructure, what is the minimum safe distance that other workers should maintain from the operating equipment?Focus Four Hazards
  4. 104.A worker is performing maintenance on a piece of heavy machinery with multiple energy sources (electrical, hydraulic, pneumatic). Before beginning work, what is the MOST critical action the worker must take to prevent accidental startup or release of stored energy?Focus Four Hazards
  5. 105.A worker is installing a new roof on a commercial building. The roof has a pitch of 7:12 (approximately 30 degrees) and is 25 feet above the ground. Which of the following fall protection methods is required for workers on this roof?Focus Four Hazards
  6. 106.A worker is installing a new roof on a commercial building. The roof has a pitch of 8:12 (meaning it rises 8 inches vertically for every 12 inches horizontally). What is the minimum pitch that OSHA classifies as a 'steep roof,' requiring specific fall protection measures beyond general requirements?Focus Four Hazards
  7. 107.A worker is performing maintenance on a large industrial mixer. To prevent accidental startup during the maintenance, the worker has followed proper lockout/tagout procedures. Which of the following is the final and most critical step in verifying the lockout/tagout procedure before beginning work?Focus Four Hazards
  8. 108.A construction worker is operating a forklift to move materials on a job site. The forklift's load obstructs the operator's forward view. According to OSHA standards, what is the safest procedure the operator should follow?Focus Four Hazards
  9. 109.A worker is operating a bulldozer on a construction site. Another worker, acting as a spotter, is positioned near the path of the bulldozer to guide the operator. What is the minimum safe distance the spotter should maintain from the operating bulldozer's swing radius?Focus Four Hazards
  10. 110.A worker is installing a roof on a new residential building. The roof has a pitch of 6:12 (meaning it rises 6 inches vertically for every 12 inches horizontally). The eave height is 18 feet. According to OSHA, what type of fall protection is generally required for work on this roof?Focus Four Hazards
  11. 111.A crane is being used to hoist a heavy steel beam on a construction site. During the lift, the boom of the crane makes contact with an energized power line. What is the immediate and safest action for the crane operator to take?Focus Four Hazards
  12. 112.A worker is using an electric hand drill on a construction site. The drill's casing is made of non-conductive plastic, and it has a two-prong plug. What type of electrical protection does this tool primarily rely on?Focus Four Hazards
  13. 113.A construction worker is performing tasks on a scaffold that is 12 feet high. What is the minimum height at which fall protection is generally required for workers on scaffolds?Focus Four Hazards
  14. 114.A worker is using a portable ladder to access a platform 16 feet high. What is the minimum height the ladder's side rails must extend above the upper landing surface?Focus Four Hazards
  15. 115.A worker is setting up a scaffold for painting a building façade. The scaffold's working platform is 12 feet above the ground. Which of the following fall protection measures is required for workers on this scaffold?Focus Four Hazards
  16. 116.A worker is using a portable electric drill on a construction site. The drill's power cord has a three-prong plug, but the only available outlet is a two-hole receptacle. What is the safest and most appropriate action the worker should take?Focus Four Hazards
  17. 117.A construction worker is operating a forklift to move materials on a job site. The forklift is carrying a tall load that obstructs the operator's forward view. What is the safest procedure the operator should follow in this situation?Focus Four Hazards
  18. 118.A worker is operating a crane on a construction site. The crane is positioned near energized overhead power lines. To prevent electrocution, what is the minimum safe clearance distance that must be maintained between any part of the crane or its load and power lines rated at 35 kV?Focus Four Hazards
  19. 119.An employer is constructing a temporary stairway to provide access between two levels of a building under construction. What is the maximum permissible angle for this stairway?Stairways and Ladders
  20. 120.A construction site needs a fixed ladder to access a permanent elevated platform. According to OSHA, what is the maximum permissible distance between the rungs of a fixed ladder?Stairways and Ladders
  21. 121.A small construction company has been cited by OSHA for a serious violation after an inspection. The company owner believes the citation is inaccurate and the proposed penalty is excessive. Within what timeframe must the employer officially contest an OSHA citation?Introduction to OSHA
  22. 122.A scaffold builder needs to access a work platform located 15 feet (4.57 meters) above the ground. Using a portable extension ladder, what is the minimum required ladder length to safely reach this platform, assuming proper angle and extension?Stairways and Ladders
  23. 123.A worker is using a stepladder on a construction site. To ensure stability and prevent tipping, what is the safest practice regarding the top step and top cap of the stepladder?Stairways and Ladders
  24. 124.A worker is using a portable ladder that is placed against a wall. To ensure proper stability and prevent slipping, what is the correct horizontal-to-vertical ratio for setting up a portable ladder?Stairways and Ladders
  25. 125.A construction worker is assigned to perform tasks from a stairway landing. According to OSHA, what is the minimum required width for a stairway landing in the direction of travel to ensure safe movement and prevent falls?Stairways and Ladders
  26. 126.A worker is carrying materials up a portable ladder. According to OSHA, what is the safest practice for carrying objects while ascending or descending a ladder?Stairways and Ladders
  27. 127.A construction company has been cited by OSHA for a 'Willful' violation. Which of the following best describes a 'Willful' violation?Introduction to OSHA
  28. 128.A construction crew is installing a new roof on a two-story building. They are using a portable ladder to access the roof. According to OSHA standards, what is the minimum height above the upper landing surface that the side rails of the ladder must extend?Stairways and Ladders
  29. 129.A worker is using a stepladder on a construction site. To ensure stability and prevent tipping, what is the maximum height from the top of the stepladder that a worker is permitted to stand, according to OSHA guidelines?Stairways and Ladders
  30. 130.A construction company receives an OSHA citation for an 'Other-than-Serious' violation. What is the characteristic of this type of violation regarding its impact on safety and health?Introduction to OSHA
  31. 131.An employee on a commercial construction project is instructed by their foreman to perform a task that the employee believes is a clear violation of an OSHA safety standard, creating an imminent danger of serious injury. The employee expresses their concern to the foreman, who dismisses it. What legal protection does this employee have if they refuse to perform the task and are subsequently disciplined by their employer?Introduction to OSHA
  32. 132.An inspection reveals that a portable ladder on a construction site has a cracked side rail. According to OSHA, what is the immediate action that must be taken regarding this ladder?Stairways and Ladders
  33. 133.An OSHA compliance officer arrives at a construction site with a warrant to conduct an inspection. What is the employer's responsibility once the warrant is presented?Introduction to OSHA
  34. 134.Which section of the OSH Act provides employees with the right to file a complaint with OSHA if they believe there are unsafe or unhealthful conditions in their workplace?Introduction to OSHA
  35. 135.What is the maximum penalty for a 'Serious' OSHA violation?Introduction to OSHA
  36. 136.A worker is setting up an extension ladder to access a roof. Before climbing, what critical step must be taken to ensure the ladder's stability, specifically concerning its sections?Stairways and Ladders
  37. 137.Following an OSHA inspection, an employer wants to informally discuss the findings and proposed penalties with the OSHA Area Director before making a final decision on contesting the citation. What is this informal meeting called?Introduction to OSHA
  38. 138.An inspection reveals that a portable ladder on a construction site has a cracked side rail. According to OSHA standards, what immediate action must be taken regarding this ladder?Stairways and Ladders
  39. 139.A construction site needs a fixed ladder to access a permanent elevated platform. According to OSHA, what is the maximum permissible distance between rungs on this fixed ladder?Stairways and Ladders
  40. 140.A construction worker notices multiple unguarded floor openings on a job site, posing a significant fall hazard. The worker has informed their supervisor, but no action has been taken after several days. Which of the following is the most appropriate next step for the worker to take regarding this safety concern?Introduction to OSHA
  41. 141.A worker is carrying materials up a portable ladder. According to OSHA, what is the safest method for transporting materials while climbing a ladder?Stairways and Ladders
  42. 142.A construction worker believes they were unfairly terminated after reporting a serious fall hazard to OSHA, which subsequently led to an inspection and citations against their employer. How long does the worker typically have to file a whistleblower complaint with OSHA regarding this alleged retaliation?Introduction to OSHA
  43. 143.The General Duty Clause of the OSH Act requires employers to provide a workplace free from 'recognized hazards.' What does 'recognized hazards' specifically imply in the context of this clause?Introduction to OSHA
  44. 144.A worker is using a portable ladder that is placed against a wall. To ensure proper stability, what is the recommended angle for placing the ladder, often referred to as the 4 to 1 rule?Stairways and Ladders
  45. 145.During an OSHA inspection, a compliance officer observes a trench excavation lacking adequate protective systems, which is a clear violation of OSHA standards. The officer determines there is a substantial probability that death or serious physical harm could result from a collapse. This type of violation would most likely be classified as a:Introduction to OSHA
  46. 146.Which of the following is NOT a right granted to employees under the OSH Act?Introduction to OSHA
  47. 147.Under what circumstances is an employer required to maintain OSHA injury and illness records (OSHA 300 logs)?Introduction to OSHA
  48. 148.An OSHA compliance officer arrives at a construction site for a scheduled inspection. The site superintendent asks for clarification on the scope of the inspection and their rights during the process. Which of the following statements accurately describes a right of the employer during an OSHA inspection?Introduction to OSHA
  49. 149.A construction supervisor is reviewing the use of portable ladders on a job site. Which of the following conditions would require a portable ladder to be immediately removed from service?Stairways and Ladders
  50. 150.A scaffold builder needs to access a work platform located 15 feet (4.57 meters) above the ground. The crew has a straight ladder available. What is the minimum length this straight ladder must be to meet OSHA requirements for accessing the platform?Stairways and Ladders